# NTSB SEA78DYP33: Bell 47G-2, N31552, Benton City, WA, June 7, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 7, 1978
- Place: Benton City, WA · BENTON CITY, WA
- Location: 46.2613° N, 119.4777° W: Placed by OpenAirDocs: center of Benton City, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.2613&lon=-119.4777&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 15, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 141322
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78DYP33
- Page: https://openairdocs.org/ntsb/SEA78DYP33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1620   78/6/7    BENTON CITY,WA      BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 51, 3800
        TIME - 0715                    N31552              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HELI TRAILER
        DEPARTURE POINT             INTENDED DESTINATION
          BENTON CITY,WA              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        REMARKS- TKOF FROM TRAILER,NO LOAD. R SKID TIEDOWN NOT REMOVED.
```

## Aircraft

- Registration: [N31552](https://openairdocs.org/deregistered/N31552-2011-04-16), registration cancelled 2011-04-16, S/N 434 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed
- Airport: Heli Trailer

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19780607016509A](https://openairdocs.org/incident/19780607016509A), Jun 7, 1978: Bell 47G2, Benton City, WA, Destroyed. Tkof from Trailer,no load. R skid tiedown not removed.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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